After taking another look at your picture, Is your Y end stop located at the back(as you call it) of the printer, ie oposit end to the dsplay,
if it is then that would be a Y min endstop and homing Y should move the bed towards it.
This puts the nozzle at X0 Y0 (front left corner of the bed.
if it is then that would be a Y min endstop and homing Y should move the bed towards it.
This puts the nozzle at X0 Y0 (front left corner of the bed.